Home / 7,319.08-10,975.47-2,320.30

Finding the Fourth Proportional to 7,319.08, 10,975.47 and 2,320.30

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Solution

The fourth proportional to 7,319.08, 10,975.47 and 2,320.30 is: 3,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.08 : 10,975.47 = 2,320.30 : x
  2. Step 2: Convert to fraction form
    7,319.08/10,975.47 = 2,320.30/x
  3. Step 3: Cross multiply
    7,319.08x = 10,975.47 × 2,320.30
  4. Step 4: Simplify right side
    7,319.08x = 25,466,383.04
  5. Step 5: Solve for x
    x = 25,466,383.04/7,319.08
  6. Step 6: Final answer
    x = 3,479.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.